pinebuds/services/ble_app/app_datapath/app_ble_cmd_handler.h
2022-08-15 17:20:27 +08:00

161 lines
5.9 KiB
C

/***************************************************************************
*
* Copyright 2015-2019 BES.
* All rights reserved. All unpublished rights reserved.
*
* No part of this work may be used or reproduced in any form or by any
* means, or stored in a database or retrieval system, without prior written
* permission of BES.
*
* Use of this work is governed by a license granted by BES.
* This work contains confidential and proprietary information of
* BES. which is protected by copyright, trade secret,
* trademark and other intellectual property rights.
*
****************************************************************************/
#ifndef __APP_BLE_CMD_HANDLER_H__
#define __APP_BLE_CMD_HANDLER_H__
#ifdef __cplusplus
extern "C" {
#endif
#include "hal_timer.h"
#define GET_CURRENT_TICKS() hal_sys_timer_get()
#define GET_CURRENT_MS() TICKS_TO_MS(GET_CURRENT_TICKS())
extern uint32_t __custom_handler_table_start[];
extern uint32_t __custom_handler_table_end[];
#define CUSTOM_COMMAND_TO_ADD(cmdCode, cmdHandler, isNeedResponse, timeoutWaitingRspInMs, cmdRspHandler) \
static const BLE_CUSTOM_CMD_INSTANCE_T cmdCode##_entry __attribute__((used, section(".custom_handler_table"))) = \
{(cmdCode), (cmdHandler), (isNeedResponse), (timeoutWaitingRspInMs), (cmdRspHandler)};
#define CUSTOM_COMMAND_PTR_FROM_ENTRY_INDEX(index) \
((BLE_CUSTOM_CMD_INSTANCE_T *)((uint32_t)__custom_handler_table_start + (index)*sizeof(BLE_CUSTOM_CMD_INSTANCE_T)))
#define INVALID_CUSTOM_ENTRY_INDEX 0xFFFF
/**
* @brief The BLE custom command handling return status
*
*/
typedef enum
{
NO_ERROR = 0,
INVALID_CMD_CODE,
PARAMETER_LENGTH_OUT_OF_RANGE,
PARAMETER_LENGTH_TOO_SHORT,
HANDLING_FAILED,
TIMEOUT_WAITING_RESPONSE,
// TO ADD: new return status
} BLE_CUSTOM_CMD_RET_STATUS_E;
/**
* @brief Type of the BLE data transmission path
*
*/
typedef enum
{
TRANSMISSION_VIA_NOTIFICATION = 0,
TRANSMISSION_VIA_INDICATION,
TRANSMISSION_VIA_WRITE_CMD,
TRANSMISSION_VIA_WRITE_REQ,
} BLE_CUSTOM_CMD_TRANSMISSION_PATH_E;
/**
* @brief Format of the custom command handler function, called when the command is received
*
* @param cmdCode Custom command code, from BLE_CUSTOM_CMD_CODE_E
* @param ptrParam Pointer of the received parameter
* @param paramLen Length of the recevied parameter
*
*/
typedef void (*BLE_CustomCmdHandler_t)(uint32_t cmdCode, uint8_t* ptrParam, uint32_t paramLen);
/**
* @brief Format of the custom command response handler function,
* called when the response to formerly sent command is received
*
* @param retStatus Handling return status of the command
* @param ptrParam Pointer of the received parameter
* @param paramLen Length of the recevied parameter
*
*/
typedef void (*BLE_CustomCmd_Response_Handler_t)(BLE_CUSTOM_CMD_RET_STATUS_E retStatus, uint8_t* ptrParam, uint32_t paramLen);
/**
* @brief Format of the raw data xfer received handler function
*
* @param ptrData Pointer of the received raw data
* @param dataLen Length of the received raw data
*
*/
typedef void (*BLE_RawDataReceived_Handler_t)(uint8_t* ptrData, uint32_t dataLen);
/**
* @brief Custom command definition data structure
*
*/
typedef struct
{
uint16_t cmdCode;
BLE_CustomCmdHandler_t cmdHandler; /**< command handler function */
uint8_t isNeedResponse; /**< true if needs the response from the peer device */
uint16_t timeoutWaitingRspInMs; /**< time-out of waiting for response in milli-seconds */
BLE_CustomCmd_Response_Handler_t cmdRspHandler; /**< command response handler function */
} BLE_CUSTOM_CMD_INSTANCE_T;
/**< maximum payload size of one BLE custom command */
#define BLE_CUSTOM_CMD_MAXIMUM_PAYLOAD_SIZE 20 // assure that one BLE packet can include all the data
/**
* @brief BLE custom command playload
*
*/
typedef struct
{
uint16_t cmdCode; /**< command code, from BLE_CUSTOM_CMD_CODE_E */
uint16_t paramLen; /**< length of the following parameter */
uint8_t param[BLE_CUSTOM_CMD_MAXIMUM_PAYLOAD_SIZE - 2*sizeof(uint16_t)];
} BLE_CUSTOM_CMD_PAYLOAD_T;
/**
* @brief Command response parameter structure
*
*/
typedef struct
{
uint16_t cmdCodeToRsp; /**< tell which command code to response */
uint16_t cmdRetStatus; /**< handling result of the command, from BLE_CUSTOM_CMD_RET_STATUS_E */
uint16_t rspDataLen; /**< length of the response data */
uint8_t rspData[BLE_CUSTOM_CMD_MAXIMUM_PAYLOAD_SIZE - 5*sizeof(uint16_t)];
} BLE_CUSTOM_CMD_RSP_T;
void BLE_get_response_handler(uint32_t funcCode, uint8_t* ptrParam, uint32_t paramLen);
void BLE_raw_data_xfer_control_handler(uint32_t funcCode, uint8_t* ptrParam, uint32_t paramLen);
void BLE_control_raw_data_xfer(bool isStartXfer);
void BLE_set_raw_data_xfer_received_callback(BLE_RawDataReceived_Handler_t callback);
void BLE_start_raw_data_xfer_control_rsp_handler(BLE_CUSTOM_CMD_RET_STATUS_E retStatus, uint8_t* ptrParam, uint32_t paramLen);
void BLE_stop_raw_data_xfer_control_rsp_handler(BLE_CUSTOM_CMD_RET_STATUS_E retStatus, uint8_t* ptrParam, uint32_t paramLen);
uint8_t* BLE_custom_command_raw_data_buffer_pointer(void);
uint16_t BLE_custom_command_received_raw_data_size(void);
BLE_CUSTOM_CMD_RET_STATUS_E BLE_send_response_to_command(uint32_t responsedCmdCode, BLE_CUSTOM_CMD_RET_STATUS_E returnStatus,
uint8_t* rspData, uint32_t rspDataLen, BLE_CUSTOM_CMD_TRANSMISSION_PATH_E path);
BLE_CUSTOM_CMD_RET_STATUS_E BLE_send_custom_command(uint32_t cmdCode, uint8_t* ptrParam, uint32_t paramLen, BLE_CUSTOM_CMD_TRANSMISSION_PATH_E path);
BLE_CUSTOM_CMD_RET_STATUS_E BLE_custom_command_receive_data(uint8_t* ptrData, uint32_t dataLength);
void BLE_custom_command_init(void);
BLE_CUSTOM_CMD_INSTANCE_T* BLE_custom_command_get_entry_pointer_from_cmd_code(uint16_t cmdCode);
uint16_t BLE_custom_command_get_entry_index_from_cmd_code(uint16_t cmdCode);
#ifdef __cplusplus
}
#endif
#endif // #ifndef __APP_BLE_CMD_HANDLER_H__